Alert archive / Georgia / Tornado Warnings in 2001

Tornado Warning 21, NWS Jacksonville, FL

June 11, 2001Atkinson County, Clinch County, Georgia

NWS Jacksonville, FL issued this tornado warning at Jun 11, 2001, 8:47 PM EDT for Atkinson County, Clinch County, Georgia. It was in force for 43 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jun 11, 2001, 8:47 PM EDT (00:47 UTC)
Expired: Jun 11, 2001, 9:30 PM EDT
In force: 43 min
Issued by: NWS Jacksonville, FL
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Atkinson County, GA, Clinch County, GA

What was reported inside it

Time	Report	Where	Remark
Jun 11, 9:00 PM EDT	Tornado F0	Pearson, GA	Weak FO. Large trees and power lines were blown down. Trees were blocking secondary roads off Highway 21.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 11, 7:15 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 0.8 hours before the alert went out and 133 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 483 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 869 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 155 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS52 KJAX 120047
TORJAX
GAC003-065-120130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
847 PM EDT MON JUN 11 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN ATKINSON COUNTY IN SOUTHEAST GEORGIA
  THIS INCLUDES PEARSON...
  NORTHERN CLINCH COUNTY IN SOUTHEAST GEORGIA

* UNTIL 930 PM EDT

* AT 838 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 17 MILES SOUTHWEST OF COGDELL...OR ABOUT 6 MILES
  EAST OF LAKELAND...MOVING NORTHEAST AT 35 MPH.

* SOME LOCATIONS NEAR THE PATH OF THE STORM THROUGH 930 PM EDT...
  COGDELL AND PEARSON...

VERY LARGE HAIL IS POSSIBLE WITH THE PARENT THUNDERSTORM. IF YOU ARE
IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A 
SUBSTANTIAL SHELTER. INTENSE LIGHTNING IS OCCURRING WITH THE PARENT 
STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS 
TREES. MOVnE INDOORS IF POSSIBLE.

LAT...LON 3136 8262 3137 8283 3121 8297 3119 8298
          3118 8295 3113 8296 3099 8294 3118 8268
          3130 8268 3128 8262

$$

HESS

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 11, 8:13 PM EDT	Tornado Warning	JAX	Clinch	32 min
Jun 11, 8:32 PM EDT	Tornado Warning	JAX	Ware	43 min
Jun 11, 9:51 PM EDT	Tornado Warning	JAX	Brantley, Charlton	39 min
Jun 11, 11:22 PM EDT	Tornado Warning	JAX	Echols	38 min
Jun 12, 2:34 AM EDT	Tornado Warning	JAX	Echols	41 min
Jun 12, 3:41 AM EDT	Severe Thunderstorm Warning	JAX	Clinch, Echols	49 min
Jun 12, 4:26 AM EDT	Tornado Warning	JAX	Clinch, Ware	64 min
Jun 12, 4:26 AM EDT	Tornado Warning	JAX	Echols	64 min
Jun 12, 6:23 AM EDT	Tornado Warning	JAX	Echols	52 min
Jun 12, 6:23 AM EDT	Tornado Warning	JAX	Clinch	52 min

Nearby

Tornado Warnings in Georgia, 2001 Every tornado warning in 2001 Tornadoes in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.